Run rubocop --fix-layout and remove encoding comments

plugins/wiki/lib/foodsoft_wiki/mailer.rb

@@ -1,20 +1,16 @@
 module FoodsoftWiki
-
   module Mailer
     def self.included(base) # :nodoc:
       base.class_eval do
-
         # modify user presentation link to writing a message for the user
         def additonal_welcome_text(user)
           if FoodsoftWiki.enabled? && (page = Page.welcome_mail)
             page.body
           end
         end
-
       end
     end
   end
-
 end
 
 # modify existing helper